<?php
  /*
  Tefinch.
  Copyright (C) 2003 Samuel Abels, <spam debain org>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
?>
<?php
  /**
   * Abstract function. Shame on PHP4 for not having an abstract keyword.
   * IndexBarPrinterStrategies are different algorithms to print an index bar.
   */
  class IndexBarStrategy {
    /// Calls the given function $func once for each page.
    /**
     * Calls the given callback function $func once for each page.
     * Args passed to the callback are:
     * - $text The text of the link, or NULL if a separator.
     * - $url  The url to the page, or NULL if not a link.
     * /param $_func The function to be called for each page.
     */
    function foreach_link($_func) { }
  }
?>
